/**
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Directive, ElementRef, Input, OnChanges } from '@angular/core';

@Directive({
  selector: '[htfFocus]',
})
export class FocusDirective implements OnChanges {
  @Input('htfFocus') focusOn: boolean;

  constructor(private ref: ElementRef) {}

  ngOnChanges() {
    if (this.focusOn) {
      this.ref.nativeElement.focus();
    }
  }
}
